and 29-year-old krystle campbell. >> i can't believe this has happened. >> reporter: her mother said that her death was just a waste. late today we learned that the third victim was a graduate student at boston university. we do not have a name there. and of course scores of other people were injured in this attack. the current total stand at 176. diane, to give you a sense of how boston is coming together in the wake of these attacks, late today, the red cross announced that it is now turning away blood donors. they say they are simply at capacity. >> all right, thank you, dan. and thinking of everyone in boston today, president obama had a message for the bombers and the world. listen. >> the american people refuse to be terrorized. because what the world saw yesterday in the aftermath of the explosions were stories of heroism and kindness and generosity and love. so if you want to know who we are, what america is, how we respond to evil, that's it. self-lessly, compassionately, unafraid. >> and we have more new images from this day in boston. families opening their homes to strand